package com.ybg.base.util;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * Spring Context 工具类
 * 
 * @author chenshun
 * @email sunlightcs@gmail.com
 * @date 2016年11月29日 下午11:45:51
 */
@Component
public class SpringContextUtils implements ApplicationContextAware {
    
    public static ApplicationContext applicationContext;
    
    @Override
    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException{
        SpringContextUtils.applicationContext = applicationContext;
    }
    
    public static <T> T getBean(Class<T> clazz){
        return applicationContext.getBean(clazz);
    }
    
    public static Object getBean(String name){
        return applicationContext.getBean(name);
    }
    
    public static <T> T getBean(String name,Class<T> requiredType){
        return applicationContext.getBean(name, requiredType);
    }
    
    public static boolean containsBean(String name){
        return applicationContext.containsBean(name);
    }
    
    public static boolean isSingleton(String name){
        return applicationContext.isSingleton(name);
    }
    
    public static Class<? extends Object> getType(String name){
        return applicationContext.getType(name);
    }
}